IE4 motors with their exceptionally high efficiencies are on the advance. Especially in applications that are operated in continuous duty (operating mode “S1”), there are often short payback times for your motor investment. We have a wide range of IE4 motors on offer and are happy to advise you on what is technically and economically most suitable for your application.

Our product range for
IE4 Super Premium Efficiency


Power0.75 - 375 kW
Speed:3000 / 1500 / 1000 / (750) rpm
Frame size80 - 355
Voltage230/400 V, 400/690 V, 500 V
Frequency50 / 60 Hz
Protection classIP55
Efficiency classIE4 (Super Premium Efficiency)
Insulation classF/B
ColorRAL 7030 (stone grey)
MountingIM B3, IM B35, IM B5, IM B14, IM B34
Type of coolingIC 411 self-cooled, IC 416 forced-air cooling
Coolant temperatureStandard: -20 °C to +40 °C
Installation altitude1000 m above sea level
Housing materialup to frame size 132 – aluminum
from frame size 160 – cast iron
Direction of rotationclockwise / counter-clockwise